Interstate System lane milesVehicle miles traveled on the Interstate SystemAnnual contributions to the Highway Account of the Highway Trust Fund attributable to commercial vehicles

33 1/3%33 1/3%33 1/3%

104(b)(4)

1/2 percent of Interstate Maintenance and National Highway System apportionments combined

National Highway System (NHS)

Remainder apportioned as follows:Lane miles on principal arterial routes (excluding the Interstate System)Vehicle miles traveled on principal arterial routes (excluding the Interstate System)Diesel fuel used on highwaysTotal lane miles on principal arterials divided by the State's total population

25%35%

30%10%

104(b)(1)

1/2 percent of Interstate Maintenance and National Highway System apportionments combined

Surface Transportation Program (STP)

Total lane miles of Federal-aid highwaysTotal vehicle miles traveled on Federal-aid highwaysEstimated tax payments attributable to highway users paid into the HighwayAccount of the Highway Trust Fund

25%40%35%

104(b)(3)

1/2 percent

Bridge Replacement and Rehabilitation Program (BRR)

Relative share of total cost to repair or replace deficient bridges

100%

144(e)

1/4 percent(10 percent maximum)

Congestion Mitigation and Air QualityImprovement Program (CMAQ)

Weighted nonattainment and maintenance area population

100%

104(b)(2)

1/2 percent

Recreational Trails Program (RT)

Equal shares to each eligible StateNonhighway recreational fuel use during the preceding year

Each State's share of apportionments from the Interstate Maintenance, National Highway System, Bridge, Surface Transportation Program, Highway Safety Improvement Program, Congestion Mitigation and Air Quality Improvement, Metropolitan Planning, Appalachian Development Highway System, Recreational Trails, Safe Routes to School, Rail-Highway Grade Crossing, Coordinated Border Infrastructure programs, the Equity Bonus itself, along with High Priority Projects will be at least a specified percentage of that State's contributions to the Highway Account of the Highway Trust Fund. The specified percentge, referred to as a relative rate of return, is 90.5% for 2005 and 2006, 91.5% for 2007, and 92% for 2008 and 2009.

100%

105

None

State and Community Highway Safety Grants

Total populationPublic road mileage

75%25%

402(c)

1/2 percent, 1/4 percent for American Samoa, Guam, Virgin Islands, and the Commonwealth of the Northern Mariana Islands, 3/4 percent for Secretary of the Interior (Bureau of Indian Affairs)

Highway Safety Improvement Program

Total lane-miles of Federal-aid highwaysTotal vehicle miles traveled on lanes on Federal-aid highwaysTotal fatalities on the Federal-aid system